/*
 * Copyright 2012-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.example.demojpa.vet;

import java.util.List;

import com.example.demojpa.reposity.VetRepository;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * 兽医controller
 */
@Controller
class VetController {

    private final VetRepository vets;

    public VetController(VetRepository clinicService) {
        this.vets = clinicService;
    }

    @GetMapping("/vets.html")
    public String showVetList(@RequestParam(defaultValue = "1") int page, Model model) {
        // Here we are returning an object of type 'Vets' rather than a collection of Vet
        // objects so it is simpler for Object-Xml mapping
        Vets vets = new Vets();
        Page<Vet> paginated = findPaginated(page);
        vets.getVetList().addAll(paginated.toList());
        return addPaginationModel(page, paginated, model);

    }

    private String addPaginationModel(int page, Page<Vet> paginated, Model model) {
        List<Vet> listVets = paginated.getContent();
        model.addAttribute("currentPage", page);
        model.addAttribute("totalPages", paginated.getTotalPages());
        model.addAttribute("totalItems", paginated.getTotalElements());
        model.addAttribute("listVets", listVets);
        return "vets/vetList";
    }

    private Page<Vet> findPaginated(int page) {
        int pageSize = 5;
        Pageable pageable = PageRequest.of(page - 1, pageSize);
        return vets.findAll(pageable);
    }

    @GetMapping({"/vets"})
    public @ResponseBody
    Vets showResourcesVetList() {
        // Here we are returning an object of type 'Vets' rather than a collection of Vet
        // objects so it is simpler for JSon/Object mapping
        Vets vets = new Vets();
        vets.getVetList().addAll(this.vets.findAll());
        return vets;
    }

}
